Milling Surface Tool Steel Sheet , Pre Hardened Tool Steel 1.3355 / T1 / SKH2
High Speed Hot Rolled Alloy Tool Steel Plate 1.3355 / T1 / SKH2
► Similar grades:
| GB | DIN | AISI | JIS |
| W18Cr4V | 1.3355 | T1 | SKH2 |
► Introduction:
1.3355 / T1 SKH2 has high hardness, red hardness and high temperature hardness.Its heat treatment range is not easy to overheat, the heat treatment process is not easy to oxidize and decarburize, and the grinding performance is better.
► Chemical Composition(%):
| C | Si | Mn | Cr | Mo | V | W | Ni+Cu | p | s |
| 0.70-0.80 | 0.20-0.40 | 0.10-0.40 | 3.80-4.40 | ≤0.30 | 1.00-1.40 | 17.50-19.00 | ≤0.50 | ≤0.030 | ≤0.030 |
► Avaliable shape:
Steel plate
Flat Bar
Round Bar
Steel Block
Steel pipe
► Recommend heat treatment:
| Quenching | Tempering | ||||||
| Heating temperature/℃ | Cooling way | Hardness (HRC) | Tempering temperature/ºC | Tempering number | Hardness (HRC) |
||
| First preheating | Second preheating | Last heating | |||||
| 500-650 | 800-840 | 1270-1280 | Air Cooling | 67-70 | 550-570 | 3 | ≥63 |
► Feature:
| 1, | High hardness, high red hardness and high temperature hardness, easy to grinding. |
| 2, | The application of the tool to work at a temperature of 600℃ can still keep cutting performance, such as vehicles, planing, milling, reaming, broach, drill, tap, die cutter and gear etc. |
| 3, | Suitable for processing soft or medium hardness (less than 300 ~ 320HB) material and making high temperature wear-resistant machine parts. |
► Application:
Tool industry: scraper, hobbing knife, iron knife, drill etc.
Small cut tool with complex shape.
► Quality Condition:
1. Both end of each bar must be cut
2. Ladle furnanced and vacuum de-gassed
3. Show heat No. on each bar
4. Surface condition the surface of the hot rolled square bar shall befree cracks, scar and wrinkles that affect the use of the billets. In case there is the above-mentioned defect, it shall be remove.
5. The mill test certificate shall show the chemical composition, and it is guaranteed that the chemical composition shall be within the limit stipulated in the contract.
Product pictures:
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| Hot sale products for hot/cold work mould Steel | |||||||||
| STANDARD/GRADE | Flat Bar Size(mm) | Round bar Size(mm) | Technics | ||||||
| DIN | AISM | JIS | GB(China) | Thickness | Width | Length | Diameter | Length | |
| 1.2311 | P20 | PDS-3 | 3Cr2Mo | 10-700 | 155-2200 | 2000-6000 | 20-200 | 2000-6000 | Forged, Hot Rolled |
| 1.2738 | P20+Ni | - | 3Cr2NiMnMo | 10-1100 | 155-2200 | 2000-6000 | 20-200 | 2000-6000 | |
| 1.2379 | D2 | SKD10 | SKD10 | 10-200 | 155-810 | 2000-6000 | 20-200 | 3000-6000 | |
| 1.2080 | D3 | SKD1 | 3Cr2Mo | 10-200 | 155-810 | 2000-6000 | 20-200 | 3000-6000 | |
| 1.2083 | 420 | - | 4Cr13 | 10-500 | 155-1200 | 2000-6000 | 20-300 | 3000-6000 | |
| 1.2344 | H13 | SKD61 | 4Cr5MoSiV1 | 10-500 | 155-1600 | 2000-6000 | 20-400 | 3000-6000 | |
| 1.2510 | O1 | SKS3 | 9CrWMn | 10-200 | 155-810 | 2000-6000 | 20-200 | 3000-6000 | |
| 1.7225 | SAE4140 | SCM440 | 42CrMo | 10-200 | 155-2200 | 2000-6000 | 20-200 | 3000-6000 | |
| 1.2010 | SAE1050 | S50C | 50# | 10-700 | 155-2200 | 3000-6000 | 10-300 | 3000-6000 | Hot Rolled |
| 1.1191 | SAE1045 | S45C | 45# | 10-700 | 155-2200 | 3000-6000 | 10-300 | 3000-6000 | |
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